Micro- and nanostructures and their application in gas chromatography.
ABSTRACT This mini-review focuses on the latest developments in the field of micro- and nanostructures in gas chromatography (GC). Significant progress has been made in recent years in designing miniaturized structures, for example, structures based on cyclodextrins. These are now commercially available and thus not the topic of this short review. Rather, we concentrate here on on-going research activities on nanoparticles, micro-electromechanical systems (MEMS) and metal-organic framework (MOF) supports as well as state-of-the-art column geometries, with particular emphasis on lab-on-a-chip columns, which undoubtedly will find their way into regular GC developments in the future.
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ABSTRACT: This review covers the recent development of stationary phases for chip-based gas chromatography (GC). Portable systems for rapid and reliable analysis are urgently needed. One way to achieve this is to miniaturize the entire analysis. Because the column is the central component of the GC system and determines the feasibility and quality of separation, this review focuses on stationary phases reported in the literature and their use in different fields during the last two decades, with emphasis on different methods for introducing the stationary phase into the GC column.Analytical and Bioanalytical Chemistry 08/2013; · 3.66 Impact Factor